Finding the Fourth Proportional to 199,318.68, 298,639.68 and 120,266.80
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Solution
The fourth proportional to 199,318.68, 298,639.68 and 120,266.80 is: 180,196.05
Step by Step Solution
- Step 1: Write the proportion equation
199,318.68 : 298,639.68 = 120,266.80 : x - Step 2: Convert to fraction form
199,318.68/298,639.68 = 120,266.80/x - Step 3: Cross multiply
199,318.68x = 298,639.68 × 120,266.80 - Step 4: Simplify right side
199,318.68x = 35,916,438,666.62 - Step 5: Solve for x
x = 35,916,438,666.62/199,318.68 - Step 6: Final answer
x = 180,196.05
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.